a05844d21f0f0368b9d5a94f2762da6747568bde70395abd6f59a401edd3cc1b

General

Target

catalog-295819331.xls
Size

367KB
MD5

80a1976552ba348d725db1c3c3ff5a14
SHA1

27963b4571a46f1cbd4dc9af90681d16d77e4ef8
SHA256

4cb5af26782cfc92d9b813c409352532e5149a3c2b80bdeac5ac1228da568522
SHA512

30545af59e4b8e9ee70fe398751b3d6333b50d9cf7745cb5662617c5588ccea29717f8ad1aa59b5e8f355417471a7324bd5e31fbf66388cc7447fc3ac9d33c7d

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://smartpalakatva.com/edQsUZOLlE/th.html

xlm40.dropper

https://pilstlcommodities.com/Ov4FlB3lpy/th.html

Signatures

Process spawned unexpected child process 2 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exerundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	924	1684	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1516	1684	rundll32.exe	EXCEL.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1684 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1684 EXCEL.EXE
1684 EXCEL.EXE
1684 EXCEL.EXE

pid	process
1684	EXCEL.EXE

pid	process
1684	EXCEL.EXE
1684	EXCEL.EXE
1684	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1684 wrote to memory of 924	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 924	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 924	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 924	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 924	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 924	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 924	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 1516	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 1516	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 1516	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 1516	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 1516	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 1516	1684	EXCEL.EXE	rundll32.exe
PID 1684 wrote to memory of 1516	1684	EXCEL.EXE	rundll32.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\catalog-295819331.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\tuti.rut,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\tuti.rut1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1516

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/924-63-0x0000000000000000-mapping.dmp

Download
memory/924-64-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

Download
memory/1516-65-0x0000000000000000-mapping.dmp

Download
memory/1684-60-0x000000002F6B1000-0x000000002F6B4000-memory.dmp

Filesize
12KB

Download
memory/1684-61-0x0000000071AE1000-0x0000000071AE3000-memory.dmp

Filesize
8KB

Download
memory/1684-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads